See: https://waclaw.blog/macos-firewall-blocking-web-browsing-after-upgrading-to-sequoia/ https://waclaw.blog/macos-firewall-blocking-web-browsing-aft... If di

See: https://waclaw.blog/macos-firewall-blocking-web-browsing-after-upgrading-to-sequoia/ https://waclaw.blog/macos-firewall-blocking-web-browsing-aft... If disabling the firewall (for testing) solves this problem, this is likely your issue.